+/* ------------------------------------------------------------------------- */
+/* functions to translate string identifiers to integer or boolean value */
+/* ------------------------------------------------------------------------- */
+
+int get_integer_from_string(char *s)
+{
+ static char *number_text[][3] =
+ {
+ { "0", "zero", "null", },
+ { "1", "one", "first" },
+ { "2", "two", "second" },
+ { "3", "three", "third" },
+ { "4", "four", "fourth" },
+ { "5", "five", "fifth" },
+ { "6", "six", "sixth" },
+ { "7", "seven", "seventh" },
+ { "8", "eight", "eighth" },
+ { "9", "nine", "ninth" },
+ { "10", "ten", "tenth" },
+ { "11", "eleven", "eleventh" },
+ { "12", "twelve", "twelfth" },
+ };
+
+ int i, j;
+ char *s_lower = getStringToLower(s);
+ int result = -1;
+
+ for (i=0; i<13; i++)
+ for (j=0; j<3; j++)
+ if (strcmp(s_lower, number_text[i][j]) == 0)
+ result = i;
+
+ if (result == -1)
+ result = atoi(s);
+
+ free(s_lower);
+
+ return result;
+}
+
+boolean get_boolean_from_string(char *s)
+{
+ char *s_lower = getStringToLower(s);
+ boolean result = FALSE;
+
+ if (strcmp(s_lower, "true") == 0 ||
+ strcmp(s_lower, "yes") == 0 ||
+ strcmp(s_lower, "on") == 0 ||
+ get_integer_from_string(s) == 1)
+ result = TRUE;
+
+ free(s_lower);
+
+ return result;
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* functions for generic lists */
+/* ------------------------------------------------------------------------- */
+
+ListNode *newListNode()
+{
+ return checked_calloc(sizeof(ListNode));
+}
+
+void addNodeToList(ListNode **node_first, char *key, void *content)
+{
+ ListNode *node_new = newListNode();
+
+#if 0
+ printf("LIST: adding node with key '%s'\n", key);
+#endif
+
+ node_new->key = getStringCopy(key);
+ node_new->content = content;
+ node_new->next = *node_first;
+ *node_first = node_new;
+}
+
+void deleteNodeFromList(ListNode **node_first, char *key,
+ void (*destructor_function)(void *))
+{
+ if (node_first == NULL || *node_first == NULL)
+ return;
+
+#if 0
+ printf("[CHECKING LIST KEY '%s' == '%s']\n",
+ (*node_first)->key, key);
+#endif
+
+ if (strcmp((*node_first)->key, key) == 0)
+ {
+#if 0
+ printf("[DELETING LIST ENTRY]\n");
+#endif
+
+ free((*node_first)->key);
+ if (destructor_function)
+ destructor_function((*node_first)->content);
+ *node_first = (*node_first)->next;
+ }
+ else
+ deleteNodeFromList(&(*node_first)->next, key, destructor_function);
+}
+
+ListNode *getNodeFromKey(ListNode *node_first, char *key)
+{
+ if (node_first == NULL)
+ return NULL;
+
+ if (strcmp(node_first->key, key) == 0)
+ return node_first;
+ else
+ return getNodeFromKey(node_first->next, key);
+}
+
+int getNumNodes(ListNode *node_first)
+{
+ return (node_first ? 1 + getNumNodes(node_first->next) : 0);
+}
+
+void dumpList(ListNode *node_first)
+{
+ ListNode *node = node_first;
+
+ while (node)
+ {
+ printf("['%s' (%d)]\n", node->key,
+ ((struct ListNodeInfo *)node->content)->num_references);
+ node = node->next;
+ }
+
+ printf("[%d nodes]\n", getNumNodes(node_first));
+}
+
+
+/* ------------------------------------------------------------------------- */